Let me start with the obvious. D. O. (EXO) starred on the popular drama It's Okay, That's Love as actor Jo In Sung's doppelganger. Here's a popular scene of D. O. and Jo In Sung running together, Jo In Sung finally realizing that D. O.'s been with him the whole time. To find out more, watch the episode below!

Jo Kwon (2AM) hosted A Song For You - Season 2, asking stars questions from K-pop fans worldwide. EXO starred as the first guests of the show on episodes 1 and 2, discussing their musical styles and philosophy. Check them out here:

If your favorite star has been a Running Man guest, it means they're popular. EXO starred on the 82nd episode, and removed Kim Jong Kook and Gary's name tags. On the 120th episode, Kai and Se Hoon played with members of other groups like SHINee. I found the 82nd episode so you don't have to: